Samuel gibby



adapted to selectively and concealingly cl1- ,Ll\,' fl with said closing means.

2. The combination with a casing of a plate adapted for the passage of light forming a section of a wall of said casing and reinovably secured therein, indicating marks on said plate, and a translucent covering plate coextensive with said first mentioned plate, an apertured section on said wall and 10 outside said plates, differently colored clos ing means fillin said apertures, and indicating means located within said apertures, and secured to said (losing means, muvahie covering means internn-diate two adjacent closing means, and adapted to selectively and eoncealingly engage with one of said adjacent closing means, and light emitting 1111115 in said casing, '7

SAM UEL (U13 [3 Y. 

